283 Area Code

The 283 area code is serving the southwest region of Ohio, including Cincinnati and surrounding cities.

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Area Code 283 Location: Ohio

Area code 283 covers the southwest portion of Ohio.

Counties Served by Area Code 283:

  • Hamilton County

Major Cities in the 283 Service Area:

  • Cincinnati
  • Hamilton
  • Middletown
  • Norwood
  • Mason
  • Lebanon
  • Oxford
  • Harrison

Other Cities and Towns:

  • Cleves
  • Forest Park
  • Maineville
  • Miamitown
  • Milford
  • Trenton
  • West Chester

Overlay System

Area code 283 is an overlay to area code 513, both serving the same geographic region. Area code 513 was established in 1947, while area code 283 became available on April 28, 2023. This region uses ten-digit dialing.

Area Code 283 Location Map

Area Code 283 Location on Ohio Map

Area code 283 is a general purpose code which was placed in service on April 28, 2023.

283 Area Code Prefixes

Our Ohio phone number lookup service will analyze the three-digit prefix of any 283 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Ohio geographic region, and local calling area associated with the phone number.

Phone numbers follow the following structure under the North American Numbering Plan:

  • NPA- area code (where the number was originally assigned)
  • NXX - Central office code that locates the specific neighborhood and identifies the service provider
  • XXXX - Subscriber number identifies the individual phone line within that local exchange

Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.

Prefixes by Company

Company Number of Prefixes

Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.

Prefixes by Rate Center

Rate Center Number of Prefixes

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